private IEnumerator LoadAssetBundleFromCache(Dictionary <string, GameResAssetBundle> bundleGroupMap, string bundleName, string manifestName, string hash, string[] urls, System.Action <bool> onLoadDone)
{
var realHash = Hash128.Parse(hash);
bool success = false;
foreach (string url in urls)
{
float checkTimeOutTime = Time.time;
float progress = 0;
var webRequest = GameWebRequest.SendAssetBundleWebRequest(url, realHash, true);
while (!webRequest.request.isDone)
{
if (!string.IsNullOrEmpty(webRequest.request.error))
{
break;
}
if (progress != webRequest.request.downloadProgress)
{
checkTimeOutTime = Time.time;
}
else if (Time.time - checkTimeOutTime >= 5)
{
break;
}
yield return(null);
}
if (!string.IsNullOrEmpty(webRequest.request.error) || !webRequest.request.isDone)
{
FTDebug.LogWarning(string.Format("Failed To LoadAssetBundleFromCache Name[{0}] From[{1}] Error[{2}]", bundleName, url, webRequest.request.error));
GameWebRequest.DestroyAssetBundleWebRequest(webRequest);
Caching.ClearCachedVersion(bundleName, realHash);
continue;
}
AssetBundle assetBundle = null;
try
{
assetBundle = DownloadHandlerAssetBundle.GetContent(webRequest.request);
if (assetBundle == null)
{
FTDebug.LogWarning(string.Format("Failed To LoadAssetBundleFromCache Name[{0}] From[{1}] Error[AssetBundle is Null]", bundleName, url));
GameWebRequest.DestroyAssetBundleWebRequest(webRequest);
Caching.ClearCachedVersion(bundleName, realHash);
continue;
}
}
catch (System.Exception e)
{
FTDebug.LogWarning(string.Format("Failed To LoadAssetBundleFromCache Name[{0}] From[{1}] Error[{2}]", bundleName, url, e.Message));
GameWebRequest.DestroyAssetBundleWebRequest(webRequest);
Caching.ClearCachedVersion(bundleName, realHash);
continue;
}
if (bundleGroupMap.ContainsKey(bundleName) && bundleGroupMap[bundleName].hash != hash)
{
UnLoadAssetBundle(bundleName, manifestName);
}
if (!bundleGroupMap.ContainsKey(bundleName))
{
bundleGroupMap.Add(bundleName, new GameResAssetBundle()
{
hash = hash,
assetBundle = assetBundle,
});
}
GameWebRequest.DestroyAssetBundleWebRequest(webRequest);
success = true;
FTDebug.Log(string.Format("LoadAssetBundleFromCache Name[{0}] From[{1}]", bundleName, url));
// 清除除当前使用的
Caching.ClearOtherCachedVersions(bundleName, realHash);
break;
}
onLoadDone(success);
}
private IEnumerator _DownloadAsync(GameResDownloadTask task)
{
_curTask = task;
var realHash = Hash128.Parse(task.hash);
task.state = GameResDownloadState.DOWNLOADING;
#if UNITY_ANDROID && !UNITY_EDITOR
Caching.compressionEnabled = !task.bundleName.Contains("video");
#endif
bool success = false;
foreach (string url in task.urls)
{
float checkTimeOutTime = Time.time;
float progress = 0;
FTDebug.Log(string.Format("Download {0} From {1} Size[{2}]", task.bundleName, url, task.totalSize));
_curWebRequest = GameWebRequest.SendAssetBundleWebRequest(url, realHash, true);
if (task.onDownloadState != null)
{
task.onDownloadState((int)GameResDownloadState.DOWNLOADING, 0, 0, _taskList.Count);
}
while (_curWebRequest != null && !_curWebRequest.request.isDone)
{
if (!string.IsNullOrEmpty(_curWebRequest.request.error))
{
break;
}
var _progress = _curWebRequest.request.downloadProgress;
if (task.timeOut != 0)
{
if (progress != _progress)
{
checkTimeOutTime = Time.time;
}
else if (Time.time - checkTimeOutTime >= task.timeOut)
{
break;
}
}
if (progress != _progress && task.onDownloadState != null)
{
task.onDownloadState((int)GameResDownloadState.DOWNLOADING, _progress, (int)(_progress * task.totalSize), _taskList.Count);
}
progress = _progress;
yield return(null);
}
FTDebug.LogWarning(string.Format("Download Result {0} From {1} Error[{2}] {3}", task.bundleName, url, _curWebRequest.request.error, _curWebRequest.request.isDone));
if (!string.IsNullOrEmpty(_curWebRequest.request.error) || !_curWebRequest.request.isDone)
{
FTDebug.LogWarning(string.Format("Failed To Download {0} From {1} Error[{2}]", task.bundleName, url, _curWebRequest.request.error));
GameWebRequest.DestroyAssetBundleWebRequest(_curWebRequest);
_curWebRequest = null;
continue;
}
FTDebug.Log(string.Format("Download Success {0} From {1} Size[{2}]", task.bundleName, url, task.totalSize));
GameWebRequest.DestroyAssetBundleWebRequest(_curWebRequest);
_curWebRequest = null;
success = true;
break;
}
#if UNITY_ANDROID && !UNITY_EDITOR
if (!Caching.compressionEnabled)
{
Caching.compressionEnabled = true;
}
#endif
task.state = success ? GameResDownloadState.SUCCESS : GameResDownloadState.FAILED;
OnDownloadFinish(task);
}